Telos ZephyrExpress user manual Set up an audio input and output, Place the call to yourself

Set up an audio input and output

Plug the microphone into the MIC 1 INPUT jack on the back panel. Plug a stereo headphone into the MON 2 OUT headphone jack on the front panel.

Mic 1 Volume

Mic 1 Routing Switch

Monitor 2 Receive routing switch

Monitor 2 Receive volume

Monitor 2 Headphone Jack Monitor 2 Send volume

Tap the MIC 1 routing switch until the letters AB above it light up green.

Talk into the mic, and raise its volume control until you see a good level on the top two meters in the middle of the front panel. If you can’t adjust the mic for a good level, or the letters AB are turning red on peaks, you’ll have to change ZephyrExpress’ input sensitivity1: see page 1-22.

Tap the MONITOR 2 RECEIVE routing switch until both letters A and B above it light up. You shouldn’t hear anything in the headphones for now: if you do, make sure the MONITOR 2 SEND volume control is turned all the way down.

Place the call to yourself

dVerify that you can see the word Ready twice in the Status screen. If you can’t, check the configuration steps on page 1-7.

Then press the DIAL button. A screen like this will appear:

h If the word Manual... is not already highlighted, turn the EDIT knob to select it.

Some screens prompt you to Press jog to enter data or confirm a choice. It

means the same thing as tap the EDIT knob in toward the front panel... but we didnÕt have enough room to say all that.

1Or if you’re eager to place your first call, leave the sensitivity alone for now — our audio circuits and codecs have a wide dynamic range — but be aware that any noise or distortion you hear during this test is because of that mismatch.

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